v3.25.2
Future Policy Benefits and Claims - Retirement and Income Solutions (Details) - Retirement and Income Solutions - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Pension risk transfer    
Present value of expected future policy benefit payments    
Balance at beginning of period, Present value of expected future policy benefit payments $ 24,958.1 $ 23,855.8
Effect of changes in discount rate assumptions at beginning of period 1,938.8 1,036.1
Balance at beginning of period at original discount rate 26,896.9 24,891.9
Effect of changes in cash flow assumptions   (3.4)
Effect of actual variances from expected experience (8.5) (1.5)
Adjusted beginning of period balance at original discount rate 26,888.4 24,887.0
Interest accrual 608.6 1,135.1
Benefit payments (1,212.8) (2,238.1)
Issuances 1,257.4 3,112.9
Balance at end of period at original discount rate 27,541.6 26,896.9
Effect of changes in discount rate assumptions at end of period (1,542.5) (1,938.8)
Balance at end of period, Present value of expected future policy benefit payments 25,999.1 24,958.1
Future policy benefits after reinsurance $ 25,999.1 $ 24,958.1
Weighted-average duration for future policy benefits (in years) 8 years 8 years
Individual fixed income annuities    
Present value of expected future policy benefit payments    
Balance at beginning of period, Present value of expected future policy benefit payments $ 4,504.6 $ 4,914.1
Effect of changes in discount rate assumptions at beginning of period 420.4 296.7
Balance at beginning of period at original discount rate 4,925.0 5,210.8
Effect of changes in cash flow assumptions   (38.4)
Effect of actual variances from expected experience 0.2 (1.7)
Adjusted beginning of period balance at original discount rate 4,925.2 5,170.7
Interest accrual 99.9 208.4
Benefit payments (248.0) (500.2)
Issuances 13.9 46.1
Balance at end of period at original discount rate 4,791.0 4,925.0
Effect of changes in discount rate assumptions at end of period (343.7) (420.4)
Balance at end of period, Present value of expected future policy benefit payments 4,447.3 4,504.6
Reinsurance impact (4,403.6) (4,469.4)
Future policy benefits after reinsurance $ 43.7 $ 35.2
Weighted-average duration for future policy benefits (in years) 7 years 1 month 6 days 7 years 2 months 12 days